Digging quarries can get very repetitive. If you're not breaking rocks with your sledgehammer, then you're breaking rocks with your sledgehammer.
To unwind on the weekend quarry diggers spice it up a bit. They sledgehammer explosives instead. "It's a completely different type of rush, I so like it when it goes bang," said Alphonso Hernandez to Juan Rodriguez through a sulphur-smelling bandana.